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Posted by ransley on October 9, 2007, 3:42 pm
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> > > Recently I ripped up ceramic tile in my foyer approx 4 X 10.
> > > Originally it was tile over 1/4" plywood , then the plywood was
> > > screwed to the oak floors underneath. I'm guessing the plywood was
> > > there to raise the height of the floor to match the kitchen floor. Now
> > > that I gutted my kitchen and took out 2 layers of ceramic tile and a
> > > layer of linoeum, it turns out that if I tile directly on the hardwood
> > > floors in the foyer, it would match the height of the new kitchen
> > > floor( which I will install 1/2" cement board) .
> > > So my question is can I install tile over hardwood? The existing tile
> > > floor was fine for 25+ years but the only difference is I will not be
> > > using a 1/4" plywood.
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> > In a word, no. The problem is that the hardwood floor moves with
> > seasonal changes in temperature and humidity. The tile would
> > fracture. The easiest an surest thing to do is to rip out the
> > hardwood floor and install backer board then tile it. There are anti-
> > fracture membranes that you could use but they'd raise the finished
> > height of the tile a bit.
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> > R
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> What if i just used 1/4"backerboard or 5/16" cement board over the
> hardwood floor? Of course that would mean I have to raise the kitchen
> floor the same height, but thats no big deal.- Hide quoted text -
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I used 3/4 ply over a thick 3/4 hardwood, all is fine. cement board
should work if there is no flex in what you have now.
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